<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>Title</title>
    </head>
    <body>
        <div id="app">
            <h2 :style="{fontSize: finalSize,color: finalColor}">{{message}}</h2>
        </div>
        <script src="../js/vue.js"></script>
        <script>
            const app = new Vue({
                el: '#app',
                data: {
                    message: '你好啊',
                    finalSize: '100px',
                    finalColor: 'red'
                }
            })
        </script>
    </body>
</html>